{"product_id":"athena-s4c05800003a-piston-kit-144cc-big-bore-a-4-00mm-oversize-to-57-94mm-14-0-1-compression","title":"Athena S4C05800003A Piston Kit (144cc Big Bore) (A) - 4.00mm Oversize to 57.94mm, 14.0:1 Compression","description":"Bore: 57.94mm\u003cbr\u003e Compression: 14.0:1 Compression\u003cbr\u003e Sizing: 4.00mm Oversize\u003cbr\u003e\u003cbr\u003eAll pistons are forged using a precision heat-treatment process that allows for production tolerances of just .005mm. Forged piston kits are available in A, B and C sizing. Forged piston tooling allows for the lightest available product. Kits include antiwear coated piston, rings, pin and circlip. Made in Germany.\u003cbr\u003e\u003cbr\u003eVehicle Fitment:\u003cbr\u003e\u003cbr\u003e1997-2021 Yamaha YZ125\u003cbr\u003e 2020-2022 Yamaha YZ125X","brand":"Athena","offers":[{"title":"Default Title","offer_id":44176129425530,"sku":"4142548","price":244.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/3312\/7455\/files\/b15a8ee45c7d3a9245bb337c44038407.jpg?v=1783125016","url":"https:\/\/www.powersportsuperstore.com\/products\/athena-s4c05800003a-piston-kit-144cc-big-bore-a-4-00mm-oversize-to-57-94mm-14-0-1-compression","provider":"Powersport Superstore","version":"1.0","type":"link"}